1 //===--- MSVC.h - MSVC ToolChain Implementations ----------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H 10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H 11 12 #include "AMDGPU.h" 13 #include "Cuda.h" 14 #include "clang/Basic/DebugInfoOptions.h" 15 #include "clang/Driver/Compilation.h" 16 #include "clang/Driver/Tool.h" 17 #include "clang/Driver/ToolChain.h" 18 19 namespace clang { 20 namespace driver { 21 namespace tools { 22 23 /// Visual studio tools. 24 namespace visualstudio { 25 class LLVM_LIBRARY_VISIBILITY Linker : public Tool { 26 public: 27 Linker(const ToolChain &TC) : Tool("visualstudio::Linker", "linker", TC) {} 28 29 bool hasIntegratedCPP() const override { return false; } 30 bool isLinkJob() const override { return true; } 31 32 void ConstructJob(Compilation &C, const JobAction &JA, 33 const InputInfo &Output, const InputInfoList &Inputs, 34 const llvm::opt::ArgList &TCArgs, 35 const char *LinkingOutput) const override; 36 }; 37 } // end namespace visualstudio 38 39 } // end namespace tools 40 41 namespace toolchains { 42 43 class LLVM_LIBRARY_VISIBILITY MSVCToolChain : public ToolChain { 44 public: 45 MSVCToolChain(const Driver &D, const llvm::Triple &Triple, 46 const llvm::opt::ArgList &Args); 47 48 llvm::opt::DerivedArgList * 49 TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch, 50 Action::OffloadKind DeviceOffloadKind) const override; 51 52 bool IsIntegratedAssemblerDefault() const override; 53 bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override; 54 bool isPICDefault() const override; 55 bool isPIEDefault() const override; 56 bool isPICDefaultForced() const override; 57 58 /// Set CodeView as the default debug info format for non-MachO binary 59 /// formats, and to DWARF otherwise. Users can use -gcodeview and -gdwarf to 60 /// override the default. 61 codegenoptions::DebugInfoFormat getDefaultDebugFormat() const override { 62 return getTriple().isOSBinFormatMachO() ? codegenoptions::DIF_DWARF 63 : codegenoptions::DIF_CodeView; 64 } 65 66 /// Set the debugger tuning to "default", since we're definitely not tuning 67 /// for GDB. 68 llvm::DebuggerKind getDefaultDebuggerTuning() const override { 69 return llvm::DebuggerKind::Default; 70 } 71 72 enum class SubDirectoryType { 73 Bin, 74 Include, 75 Lib, 76 }; 77 std::string getSubDirectoryPath(SubDirectoryType Type, 78 llvm::StringRef SubdirParent, 79 llvm::Triple::ArchType TargetArch) const; 80 81 // Convenience overload. 82 // Uses the current target arch. 83 std::string getSubDirectoryPath(SubDirectoryType Type, 84 llvm::StringRef SubdirParent = "") const { 85 return getSubDirectoryPath(Type, SubdirParent, getArch()); 86 } 87 88 enum class ToolsetLayout { 89 OlderVS, 90 VS2017OrNewer, 91 DevDivInternal, 92 }; 93 bool getIsVS2017OrNewer() const { return VSLayout == ToolsetLayout::VS2017OrNewer; } 94 95 void 96 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, 97 llvm::opt::ArgStringList &CC1Args) const override; 98 void AddClangCXXStdlibIncludeArgs( 99 const llvm::opt::ArgList &DriverArgs, 100 llvm::opt::ArgStringList &CC1Args) const override; 101 102 void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs, 103 llvm::opt::ArgStringList &CC1Args) const override; 104 105 void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs, 106 llvm::opt::ArgStringList &CC1Args) const override; 107 108 bool getWindowsSDKLibraryPath( 109 const llvm::opt::ArgList &Args, std::string &path) const; 110 bool getUniversalCRTLibraryPath(const llvm::opt::ArgList &Args, 111 std::string &path) const; 112 bool useUniversalCRT() const; 113 VersionTuple 114 computeMSVCVersion(const Driver *D, 115 const llvm::opt::ArgList &Args) const override; 116 117 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args, 118 types::ID InputType) const override; 119 SanitizerMask getSupportedSanitizers() const override; 120 121 void printVerboseInfo(raw_ostream &OS) const override; 122 123 bool FoundMSVCInstall() const { return !VCToolChainPath.empty(); } 124 125 void 126 addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, 127 llvm::opt::ArgStringList &CC1Args, 128 Action::OffloadKind DeviceOffloadKind) const override; 129 130 protected: 131 void AddSystemIncludeWithSubfolder(const llvm::opt::ArgList &DriverArgs, 132 llvm::opt::ArgStringList &CC1Args, 133 const std::string &folder, 134 const Twine &subfolder1, 135 const Twine &subfolder2 = "", 136 const Twine &subfolder3 = "") const; 137 138 Tool *buildLinker() const override; 139 Tool *buildAssembler() const override; 140 private: 141 std::string VCToolChainPath; 142 ToolsetLayout VSLayout = ToolsetLayout::OlderVS; 143 CudaInstallationDetector CudaInstallation; 144 RocmInstallationDetector RocmInstallation; 145 }; 146 147 } // end namespace toolchains 148 } // end namespace driver 149 } // end namespace clang 150 151 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H 152